package cn.tedu._05mvcboot03.common.exception;

import cn.tedu._05mvcboot03.common.response.JsonResult;
import cn.tedu._05mvcboot03.common.response.StatusCode;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import javax.validation.ConstraintViolationException;

@Slf4j
@RestControllerAdvice
public class GlobalExceptionHandler {
    @ExceptionHandler
    public JsonResult dohandleNullPointerException(NullPointerException ex){
        String message = ex.getMessage();
        log.error("NullPointerException = "+message);
        return new JsonResult(StatusCode.USERNAME_PASSWORD_ERROR,message);
    }
    @ExceptionHandler
    public JsonResult dohandleMethodArgumentNotValidException(MethodArgumentNotValidException ex){
        String message = ex.getFieldError().getDefaultMessage();
        log.error("MethodArgumentNotValidException = "+message);
        return new JsonResult(StatusCode.VALIDATED_ERROR,message);
    }
    @ExceptionHandler
    public JsonResult dohandleConstraintViolationException(ConstraintViolationException ex){
        String message=ex.getMessage().split(":")[1].trim();
        log.error("ConstraintViolationException="+message);
        return new JsonResult(StatusCode.VALIDATED_ERROR);
    }
    @ExceptionHandler
    public JsonResult dohandleThrowable(Throwable ex){
        String message = ex.getMessage();
        log.error("Throwable="+message);
        return new JsonResult(StatusCode.OPERATION_FAILED,message);
    }
}
